Home / 53,297.87-79,899.75-21,734.33

Finding the Fourth Proportional to 53,297.87, 79,899.75 and 21,734.33

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Solution

The fourth proportional to 53,297.87, 79,899.75 and 21,734.33 is: 32,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,297.87 : 79,899.75 = 21,734.33 : x
  2. Step 2: Convert to fraction form
    53,297.87/79,899.75 = 21,734.33/x
  3. Step 3: Cross multiply
    53,297.87x = 79,899.75 × 21,734.33
  4. Step 4: Simplify right side
    53,297.87x = 1,736,567,133.92
  5. Step 5: Solve for x
    x = 1,736,567,133.92/53,297.87
  6. Step 6: Final answer
    x = 32,582.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.